BGR reports that, according to their source, iOS 4.3 will bring personal Hotspot feature to all iPhones in March, subject to the approval of individual carriers. If true, iOS 4.3 will support personal Hotspot out of the box, but it’s upto the carriers like AT&T to enable support for it.

Verizon iPhone 4, which is running a new iOS 4.2.5, comes with the support for turning the device into a personal Wi-Fi hotspot allowing up to five Wi-Fi devices to share the iPhone’s cellular data connection.

BGR also reports iOS 4.3 build version will be 8F5148b, baseband will be 04.08.00 and technical acceptance is planned for March.